Book excerpt: "Before chain coffeeshops and luxury high-rises, before even the beginning of desegregation and the 1968 riots, Washington's Greater U Street was known as Black Broadway. From the early 1900s into the 1950s, African Americans plagued by Jim Crow laws in other parts of town were free to own businesses here and built what was often described as a "city within a city." Local author and journalist Briana A. Thomas narrates U Street's rich and unique history, from the early triumph of emancipation to the days of civil rights pioneer Mary Church Terrell and music giant Duke Ellington, through the recent struggle of gentrifiction" --